libbsd / waf: Broken --show-commands support

Christian Mauderer christian.mauderer at
Mon Jul 11 07:11:03 UTC 2016

Am 09.07.2016 um 06:45 schrieb Chris Johns:
> On 8/07/2016 6:34 PM, Christian Mauderer wrote:
>> I'm currently trying to port pf to libbsd. While doing that, I wanted to
>> check some of the compiler calls using the waf configure option
>> --show-commands. With the option set, every call went wrong.
>> I was able to track the problem down to the patches introduced with the
>> long command line support. It seems that the command is joined for
>> printing it and than the joined version is given to a python Popen call.
>> As far as I understand the python documentation, Popen expects an array.
> Thanks for this, yes my change to print the number of options broken the
> code.
>> The attached patch fixes this by using a temporary variable for the
>> string that gets printed. Could you review the patch to check that it
>> doesn't break the long command line support again?
> I have built libbsd on MinGW64 and it works so this should be tested.
> I have updated rtems_waf and libbsd.
> Thanks
> Chris

Hello Chris,

thank you for testing and applying the patch.

Kind regards,

embedded brains GmbH
Christian Mauderer
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D-82178 Puchheim
email: christian.mauderer at
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